This Peanut Butter Banana Bread Overnight Oat recipe incorporates the classic flavor of banana bread in a convenient, grab-and-go mason jar. The addition of Naked Nutrition Naked PB takes this recipe up a few notches on the flavor spectrum. Say hello to the breakfast of your dreams…a recipe I promise you’ll put on repeat in your kitchen. 

Peanut Butter Banana Bread Overnight Oats

There are several reasons I turn to overnight oats time and time again in my kitchen, and it’s due to one simple fact: it’s easy! Life is hectic. There’s no need to complicate it more than it already is, am I right?

What is most appealing about this Peanut Butter Banana Bread Overnight Oats recipe is that it can be batch prepped and stored in the fridge, making it the perfect option for busy weeknight mornings. 

Whenever you’re ready to chow down, it’s grab-and-go time, baby! Just don’t forget to grab a spoon on your way out the door, unless you’re interested in learning creative new ways to consume your jar overnight oats. Can you tell I’m speaking from experience?

Peanut Butter Banana Bread Overnight Oats

What goes in the jar?

  • Old-fashioned oats – I use a gluten-free version for this recipe
  • Chia seeds – a great source of high-quality fiber. Chia seeds also help thicken the overnight oats, making them extra-creamy.
  • Vanilla protein powder – this is a quick and effective way to add a quality helping of protein, ensuring that you’ll meet your daily intake. I like using vanilla because it creates a sweet and creamy base for the overnight oats
  • Ground cinnamon – adds that spicy warmth banana bread is know for
  • Kefir – loaded with probiotics that are great for maintaining gut health. I reach for low-fat plain, unsweetened kefir
  • Milk – I choose a higher protein dairy option for this recipe; however, non-dairy milk is a great substitute. If I don’t have dairy milk available, I typically reach for unsweetened vanilla almond milk
  • Bananas – if you’re like me, you always have a half-dead banana or two laying around. The riper the banana, the sweeter and more flavorful you’re overnight oats are going to be, and since this recipe doesn’t call for sweetener, I recommend waiting until you’re bananas are on the riper side
  • Naked PB – powdered peanut butter made from slow-roasted, non-GMO US grown peanuts. Naked PB’s slow-roasted peanuts are mechanically pressed to remove oil and fat to create a powder that is over 50% protein. Not only do I use it to impart that peanut buttery goodness we all love and crave, it also adds a good boost of protein without the additional fat, making it easy to keep your macros in check 
Peanut Butter Banana Bread Overnight Oats

Peanut Butter Banana Bread Overnight Oats

Creamy, peanut buttery and loaded with protein, these Peanut Butter Banana Bread Overnight Oats taste very similar to their baked counterpart. Rather than slicing into a warm loaf of bread, you’re utilizing a spoon instead. The important part – the flavor is on point!

I also appreciate that this is a far healthier version than the baked variety. The macros are well-balanced, so there’s no need to worry about staying on track for the day. I love that it’s loaded with 54 grams of protein, so there’s no need to be concerned about reaching your daily goal.

If you’re going hard on leg day, this is the perfect option to get in those carbs to help keep you fueled throughout your workout.

Peanut Butter Banana Bread Overnight Oats

How to batch prep the overnight oats

  • Gather the number of mason jars you’ll need to prep for the week
  • Add the sliced bananas to each jar. Using a wooden spoon, smash the bananas to create a sweet, creamy pulp
  • Using the measurements listed in the recipe below, start by adding the dry ingredients to each jar
  • Once the dry ingredients are added, top with kefir and milk of choice
  • Stir, stir, stir!
  • Place the lids on the jars and refrigerate

I’m no stranger to Naked Nutrition. I’ve been using and loving their products for several years. Their Creatine Monohydrate has been a key part of my nutrition regimen since I started lifting weights and has been a game changer in terms of performance and recovery.

When the brand reached out regarding a partnership, the decision was easy–let’s do this!

Why I reach for Naked Nutrition

  • First and foremost, they source quality ingredients, offering several single-ingredient supplement options
  • Their products are third-party tested for heavy metals
  • They say no to artificial sweeteners, flavors, colors and additives
Peanut Butter Banana Bread Overnight Oats

I love that Naked PB imparts peanut buttery goodness with a fraction of the fat compared to conventional peanut butter. One serving, the equivalent to 2 tablespoons, contains just 1 gram of fat. That’s a huge difference, and a game changer when it comes to maintaining your daily macros.

I’ve been adding it to low-fat Greek yogurt to make a protein-packed snack, smoothies, homemade chocolate protein pudding (recipe coming soon!), and various versions of overnight oats. The possibilities are endless!

While this recipe for Peanut Butter Banana Bread Overnight Oats has quickly become my favorite flavor combo and has been on repeat in my kitchen lately. I frequently rotate between this recipe for Apple Pie Overnight Oatmeal and Strawberries and Cream Overnight Oatmeal.

Peanut Butter Banana Bread Overnight Oats

Peanut Butter Banana Overnight Oats

5 from 5 ratings


  • ½ cup old-fashioned oats
  • 1 tablespoon chia seeds
  • 1 scoop vanilla protein powder
  • 1 scoop Naked PB
  • ½ teaspoon ground cinnamon
  • cup plain, low-fat kefir
  • ½ cup 2% milk, dairy or non-dairy
  • 3 1-inch chunks banana, approximately 32 grams
  • 1 tablespoon chopped peanuts, for topping (optional)


  • 16-ounce wide mouth mason jar


  • Add the banana chunks to the bottom of a 16-ounce wide-mouth mason jar. Using a wooden spoon, press down on the chunks to smash.
  • Add the dry ingredients to the jar.
  • Top with kefir and milk of choice. Stir to combine.
  • Store in the refrigerator overnight. If too thick for your liking, add a splash of milk and stir to combine until you reach your desired consistency.
  • Top with chopped peanuts and sliced bananas, if desired.


  1. I use a vanilla protein powder that is sweetened with stevia leaf extract, which adds a subtle sweetness to the overnight oats. If you’re using an unsweetened protein powder, maple syrup is a great option to sweeten the oats. 
  2. I used plain, unsweetened kefir with 1% fat in this recipe. Fruit-flavored kefir is typically high in sugar, and I like to be able to control the amount of sugar that is added to my oats. 


Calories: 573kcal, Carbohydrates: 61g, Protein: 54g, Fat: 13g, Fiber: 9g
Whipping up one of my recipes?I wanna know about it! Snap a photo and tag @onesweetmess / #onesweetmess on Twitter or Instagram. Seeing your creations come to life makes my day!